Presented below are the “basic” testing procedures used by
professionals to determine if your battery is “good” or “bad”. These are
presented in a “bullet format” for ease of reading and interpreting. More
detailed discussion can be found on the internet should you want to pursue
it.

STEP 1: VISUAL INSPECTION

Check the battery case for breaks and leaks

Clean corrosion off battery and terminals if present

Check to see if electrolyte levels (if low maintenance battery) are above plates